Which do you enjoy ____ your weekend, swimming or fishing?
| A．spending | B．being spent |
| C．spend | D．to spend |
It is _______ that the pork with the “lean-meat powder”（瘦肉精）has been widely _______ all over the country.
| A．terrifying; distributed | B．terrified; negotiated |
| C．terrifying; distinguished | D．terrified; discriminated |
---- Look! Everything here is under construction.
---- Oh, has the building once ___ for exhibition been pulled down, too?
| A．having been built | B．being built | C．to be built | D．built |
—You seem to show interest in cooking.
—What?_________, I’m getting tired of it.
| A．On the contrary | B．To the contrary | C．On the other hand | D．To the other hand |
We allowin the woods but anyone is forbidden here.
| A．to camp; to smoke | B．camping; smoking |
| C．to camp; smoking | D．camping; to smoke |
He kept yawning in class this morning. That is _____ he stayed up late doing his homework last night.
| A．why | B．how | C．because | D．whether |